Home / 281,623.78-422,529.99-92,092.90

Finding the Fourth Proportional to 281,623.78, 422,529.99 and 92,092.90

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Solution

The fourth proportional to 281,623.78, 422,529.99 and 92,092.90 is: 138,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,623.78 : 422,529.99 = 92,092.90 : x
  2. Step 2: Convert to fraction form
    281,623.78/422,529.99 = 92,092.90/x
  3. Step 3: Cross multiply
    281,623.78x = 422,529.99 × 92,092.90
  4. Step 4: Simplify right side
    281,623.78x = 38,912,012,116.07
  5. Step 5: Solve for x
    x = 38,912,012,116.07/281,623.78
  6. Step 6: Final answer
    x = 138,170.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.